Messages in this thread |  | | From | (Matthew S. Crocker) | Subject | Re: verify_area() | Date | 8 Dec 1996 08:57:17 GMT |
| |
Russell Berry (rberry@albany.net) wrote:
: I haven't sifted through the verify_area() code well enough to claim a : complete understanding of its function. But I'm assuming here that its : dissappearance means that the new kernel's hard coded kernel/user space : boundaries are now controlling the late call's functionality. Am I off : track here??
I believe it is all handled by the MMU with exceptions. I also remember reading about a really slick execption handling routine somebody patched into ther kernel. It is supposed to make tha normal (non-error) calls work much faster and handle the abnormal (error) calls better.
-Matt
-- -Matthew S Crocker "The mask, given time, comes Crocker Communications to be the face itself." -anonymous Internet Division Phone (413) 585-5164 PO BOX 710 Fax (413) 587-3352 Greenfield, MA 01302-0710 Email matthew@crocker.com =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|  |